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Why shouldn’t I try to treat bed bugs with supermarket sprays?

  • Last Updated: 29/06/2026
Attempting to use supermarket sprays is ineffective because bed bugs hide deep within cracks, crevices, and structural gaps that these products cannot reach. Using these sprays often fails to kill the colony and instead drives the bed bugs deeper into the property, making professional extermination much more difficult and time-consuming to achieve.

Related Questions

No, bed bugs are not a sign of poor hygiene or a dirty home. They are pests that travel via luggage, second-hand furniture, and shared accommodation, meaning even the most spotless Darwin household can be affected. Bed bugs are attracted to body heat and the carbon dioxide exhaled by sleeping humans rather than food scraps or general household clutter.
Bed bugs most commonly enter homes by hitchhiking on items brought in from outside, such as luggage from hotels, short-stay accommodation, or second-hand furniture like mattresses, couches, and bed frames. They can also be introduced by visiting guests who may unknowingly carry them on their clothing or bags, and they can spread between rooms in shared housing environments.
Bed bug populations can grow rapidly because a single female bed bug is capable of laying several eggs every day, which typically hatch within approximately 10 days. This means that even a minor introduction of a few bugs can escalate into a noticeable and challenging infestation within just a few months.
Whether a bed bug infestation can be resolved in one visit depends entirely on the severity and the specific locations where the bugs are harbouring. While some minor cases are resolved quickly, a professional inspection is required to determine the extent of the activity and whether a follow-up treatment programme is necessary to ensure the property is clear.
To prevent bringing bed bugs home, inspect hotel mattress seams and headboards immediately upon arrival and keep your luggage off the floor and away from the bed. When returning home from a trip, unpack your luggage in a non-bedroom area, wash your travel clothes in a hot cycle, and tumble dry items on high heat if the fabric allows it.